Home / 211,976,091.20-317,964,136.80-166,059,588.80

Finding the Fourth Proportional to 211,976,091.20, 317,964,136.80 and 166,059,588.80

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Solution

The fourth proportional to 211,976,091.20, 317,964,136.80 and 166,059,588.80 is: 249,089,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,976,091.20 : 317,964,136.80 = 166,059,588.80 : x
  2. Step 2: Convert to fraction form
    211,976,091.20/317,964,136.80 = 166,059,588.80/x
  3. Step 3: Cross multiply
    211,976,091.20x = 317,964,136.80 × 166,059,588.80
  4. Step 4: Simplify right side
    211,976,091.20x = 52,800,993,810,154,952
  5. Step 5: Solve for x
    x = 52,800,993,810,154,952/211,976,091.20
  6. Step 6: Final answer
    x = 249,089,383.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.